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Journals

A streamlined, high-volume particle impactor for trace chemical analysis

August 1, 2013

Author(s)

Matthew E. Staymates, Jessica L. Staymates, Jerold Bottiger, Deborah Schepers

The design and characterization of a streamlined, high-volume particle impactor used for trace chemical analysis is presented. The impactor has a single round

Non-rigid and tough calcium phosphate cement scaffold seeded with umbilical cord stem cell for bone repair

August 1, 2013

Author(s)

Carl G. Simon Jr., Hockin H. Xu, Michael D. Weir, WahWah Thein-Han

Human umbilical cord mesenchymal stem cells (hUCMSCs) are a promising alternative to bone marrow MSCs, which require invasive procedures to harvest. The

The National Institute of Standards and Technology: NIST Contributions to Biometrics Technology

August 1, 2013

Author(s)

Bradford J. Wing

NIST has been at the forefront of information technology in its application to biometrics for almost 50 years. Early work revolved around developing hardware

Dirac fermion heating, current scaling, and direct insulator-quantum Hall transition in multi-layer epitaxial graphene

August 1, 2013

Author(s)

Randolph E. Elmquist, Fan-Hung Liu, Chang-Shun Hsu, Chiashain Chuang, Tak-Pong Woo, Lung-I Huang Huang, Chi-Te Laing, Yasuhiro Fukuyama, Yanfei Yang

We have performed magnetotransport measurements on multi-layer epitaxial graphene. By increasing the driving current I through our graphene devices while

Propagation Models for IEEE 802.15.6 Standardization of Implant Communication in Body Area Networks

August 1, 2013

Author(s)

Kamran Sayrafian, RA¿L CH¿VEZ-SANTIAGO , KENICHI TAKIZAWA , JIANQING WANG , ILANGKO BALASINGHAM, HUAN-BANG LI

A Body Area Network (BAN) is a radio communication protocol for short range, low power and highly reliable wireless communication for use on the surface, inside

Safety Interlock and Vent System to Alleviate Potentially Dangerous Ice Blockage of Top-loading Cryostat Sample Sticks

August 1, 2013

Author(s)

S. Pangelis, S. R. Olsen, Julia Scherschligt, Juscelino Leao, S. A. Pullen, Daniel C Dender, J. R. Hester, P. Imperia

A combined solution is presented for minimising the safety hazards associated with closed cycle cryostats described in Swainson & Cranswick (2010) J. Appl

Giant Secondary Grain Growth in Cu Films on Sapphire

August 1, 2013

Author(s)

David L. Miller, Mark W. Keller, Justin Shaw, Katherine P. Rice, Robert Keller, Kyle M. Diederichsen

Single crystal metal films on insulating substrates are attractive for microelectronics and other applications, but they are difficult to achieve on macroscopic

The Resonant Exchange Qubit

July 31, 2013

Author(s)

Jacob M. Taylor, Medford Jim, Johannes Beil, Emmanuel Rashba, H Lu, A. C. Gossard, C. M. Marcus

We introduce a solid-state qubit in which exchange interactions among confined electrons provide both the static longitudinal field and the oscillatory

Electrically-protected resonant exchange qubits in triple quantum dots

July 31, 2013

Author(s)

Jacob M. Taylor, Vanita Srinivasa, Medford Jim

We present a modulated microwave approach for quantum computing with qubits comprising three spins in a triple quantum dot. This approach includes single- and

Refining the Statistical Model for Quantitative Immunostaining of Surface-Functionalized Nanoparticles by AFM

July 31, 2013

Author(s)

Robert I. MacCuspie, Danielle E. Gorka

Recently, an AFM-based approach for quantifying the number of biological molecules conjugated to a nanoparticle surface at low number densities was reported. By

Comparison of the standards for air kerma of the NIST and the BIPM for 60Co gamma radiation

July 31, 2013

Author(s)

Ronaldo Minniti, C Kessler, P J. Allisy-Roberts

An indirect comparison of the standards for air kerma of the National Institute of Standards and Technology (NIST), USA, and of the Bureau International des

Ternary Blends for Economical and Environmentally Friendly Concretes

July 31, 2013

Author(s)

Dale P. Bentz, Jussara Tanesi, Ahmad Ardani

As sustainability moves to the forefront of trends in construction, concrete mixture proportions must be adjusted and adapted to a new set of economic and

Electric Field Tuning of the Surface Band Structure of Topological Insulator Sb2Te3 Thin Films

July 30, 2013

Author(s)

Joseph A. Stroscio, Jeonghoon Ha, Niv Levy, Young Kuk, Tong Zhang

We studied the response of the surface state spectrum of epitaxial Sb2Te3 thin films to applied gate electric fields by low temperature scanning tunneling

Identification and Quantification of DNA Repair Protein Apurinic/Apyrimidinic Endonuclease 1 (APE1) in Human Cells by Liquid Chromatography/Isotope-Dilution Tandem Mass Spectrometry

July 29, 2013

Author(s)

Guldal Kirkali, Pawel Jaruga, Prasad T. Reddy, Alessandro Tona, Li Mengxia, David M. Wison III, M Miral Dizdar, Bryant C. Nelson

Unless repaired, DNA damage can drive mutagenesis or cell death. DNA repair proteins may therefore be used as biomarkers in disease detection or therapeutic

Theres Plenty of Gloom at the Bottom: The Many Challenges of Accurate Quantitation in Size-Based Oligomeric Separations

July 26, 2013

Author(s)

Andre M. Striegel

There is a variety of small-molecule species (e.g., tackifiers, plasticizers, oligosaccharides) the size-based characterization of which is of considerable

Multi-Relationship Evaluation Design: Formalization Of An Automatic Test Plan Generator

July 26, 2013

Author(s)

Brian A. Weiss, Linda C. Schmidt

The number of intelligent and advanced technologies in the manufacturing, military and homeland security industries is increasing. Evaluating these technologies

Hybrid shape descriptor and meta similarity generation for non-rigid and partial 3D model retrieval

July 26, 2013

Author(s)

Afzal A. Godil

Non-rigid and partial 3D model retrieval are two significant and challenging research directions in the field of 3D model retrieval. Little work has been done

Effect of Supercritical Carbon Dioxide on the Thermodynamics of Model Styrene-Acrylonitrile Copolymer-Poly(methyl methacrylate) Blends Studied by Small-Angle Neutron Scattering

July 25, 2013

Author(s)

Sebnem Inceoglu, Nicholas P. Young, Andrew J. Jackson, Steven Kline, Stephane Costeux, Nitash P. Balsara

Small-angle neutron scattering was used to study a binary blend of styrene-acrylonitrile copolymer (SAN) and deuterated poly(methyl methacrylate) (dPMMA), as

Character sums determined by low degree isogenies of elliptic curves

July 25, 2013

Author(s)

Dustin Moody, Christopher Rasmussen

We look at certain character sums determined by isogenies on elliptic curves over finite fields. We prove a congruence condition for character sums attached to

Dynamic light deflection in an active Raman-gain medium using a spatially inhomogeneous pump

July 25, 2013

Author(s)

Lu Deng, Edward W. Hagley, Chengjie Zhu

We study optical wave deflection in a three-level active Raman gain medium using a spatially inhomogeneous pump field. Using the eikonal approximation, we

The Need for a Reference Self-Diffusion Mobility Database for the Pure Elements

July 25, 2013

Author(s)

Carelyn E. Campbell

The increased focus on integrated computational materials engineering (ICME), especially through the Materials Genome Initiative (MGI) , has amplified the need

CT head-scan dosimetry in an anthropomorphic phantom and associated measurement of ACR accreditation-phantom imaging metrics under clinically representative scan conditions

July 24, 2013

Author(s)

Ronaldo Minniti, Claudia Brunner, Stanley H. Stern, Marie I. Parry, Kish Chakrabarti

The purpose of this work was to measure radiation absorbed dose and its distribution in an anthropomorphic head phantom under clinically representative scan

Comment on "Enhanced polarization and mechanisms in optically pumped hyperpolarized ³He in the presence of ⁴He"

July 24, 2013

Author(s)

Thomas R. Gentile, M E. Hayden, P.J. Nacher, A K. Petukhov, B Saam, T G. Walker

H.H. Chen et al [1] claim that adding 4He to spin-exchange optical pumping (SEOP) cells confines 3He atoms to a diffusion-limited region, which effectively

Why there is no noon-midnight red shift in the GPS

July 24, 2013

Author(s)

Neil Ashby, Marc A. Weiss

Although the effects of solar and lunar gravitational potentials on the frequencies of orbiting GPS clocks are actually negligible, a naive calculation appears

Energies and E1, M1, E2, and M2 transition rates for states of the 2s22p4, 2s2p5, and 2p6 configurations in oxygen-like ions between F II and Kr XXIX⋆

July 23, 2013

Author(s)

P. Rynkun, P. Jonsson, G. Gaigalas, Charlotte F. Fischer

Energies, E1, M1, E2, M2 transition rates, weighted oscillator strengths, and lifetimes from relativistic con figuration interaction calculations are reported

Absolute calibration of optical power and fluence rate for PDT: Report of AAPM TG140

July 23, 2013

Author(s)

Marla L. Dowell, Timothy Zhu, Christopher Bonnerup, Valdir Colussi, Jarod Finlay, Lothar Lilge, Thomas Slowery, claudio sibata

This report is primarily concerned with methods for optical calibration of laser power and light fluence rate for continuous wave (CW) light sources

Cold atomic beam ion source for focused ion beam applications

July 23, 2013

Author(s)

Brenton J. Knuffman, Adam V. Steele, Jabez J. McClelland

We report measurements and modeling performed on an ion source based on ionization of a laser-cooled atomic beam. We show a high brightness and a low energy

Shape Calculus for Shape Energies in Image Processing

July 22, 2013

Author(s)

Gunay Dogan, Ricardo H. Nochetto

Many image processing problems are naturally expressed as energy minimization or shape optimization problems, in which the free variable is a shape, such as a

Phonon-Roton Modes of Liquid ⁴He Beyond the Roton in the Porous Medium MCM-41

July 22, 2013

Author(s)

Richard T. Azuah, S. O. Diallo, M. A. Adams, H. R. Glyde

Electron Tweezers as a Tool for High Precision Manipulation of Nanoobjects

July 22, 2013

Author(s)

Vladimir P. Oleshko, James Howe

Trapping of nanometer size objects by optical tweezers is challenging because the forces become very small for nanoparticles and the resolving power of light

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